Clock.h

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/*
 * This file is part of OpenModelica.
 *
 * Copyright (c) 1998-2026, Open Source Modelica Consortium (OSMC),
 * c/o Linköpings universitet, Department of Computer and Information Science,
 * SE-58183 Linköping, Sweden.
 *
 * All rights reserved.
 *
 * THIS PROGRAM IS PROVIDED UNDER THE TERMS OF AGPL VERSION 3 LICENSE OR
 * THIS OSMC PUBLIC LICENSE (OSMC-PL) VERSION 1.8.
 * ANY USE, REPRODUCTION OR DISTRIBUTION OF THIS PROGRAM CONSTITUTES
 * RECIPIENT'S ACCEPTANCE OF THE OSMC PUBLIC LICENSE OR THE GNU AGPL
 * VERSION 3, ACCORDING TO RECIPIENTS CHOICE.
 *
 * The OpenModelica software and the OSMC (Open Source Modelica Consortium)
 * Public License (OSMC-PL) are obtained from OSMC, either from the above
 * address, from the URLs:
 * http://www.openmodelica.org or
 * https://github.com/OpenModelica/ or
 * http://www.ida.liu.se/projects/OpenModelica,
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 *
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 * See the full OSMC Public License conditions for more details.
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 */
 
#ifndef _OMS_CLOCK_H_
#define _OMS_CLOCK_H_
 
#include <ctime>
#include <chrono>
 
class Clock
{
public:
  Clock();
  ~Clock();
 
  void tic();
  void toc();
  void reset();
 
  double& getElapsedCPUTime();
  double& getElapsedWallTime();
 
  bool& isActive() {return active;}
 
private:
  bool active;
  std::clock_t startCPUTime;
  std::chrono::system_clock::time_point startWallTime;
  double elapsedCPUTime;
  double elapsedWallTime;
};
 
class CallClock
{
public:
  CallClock(Clock& clock) : clock(clock), active(clock.isActive()) {clock.tic();}
  ~CallClock() {if (!active) clock.toc();}
 
private:
  Clock& clock;
  bool active;
};
 
#endif